Cheap flights from Sydney to San Diego from $923

SYD — SAN
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Diego

Thu 12/1111:20 -
1 stop23h 35m
Wed 25/1117:15 -
1 stop21h 20m
Deal found 9/11$1,162
Thu 12/1111:10 -
2 stops26h 59m
Wed 25/1113:05 -
2 stops24h 55m
Deal found 9/11$1,359
Thu 12/1111:10 -
2 stops40h 26m
Mon 16/1116:31 -
1 stop43h 24m
Deal found 7/11$1,502
Mon 9/1111:10 -
2 stops40h 26m
Mon 23/1116:40 -
1 stop43h 15m
Deal found 6/11$1,527
Mon 23/1110:40 -
2 stops24h 38m
Mon 7/1209:53 -
2 stops27h 37m
Deal found 7/11$1,575
Mon 9/1110:40 -
1 stop27h 07m
Mon 23/1116:11 -
1 stop21h 19m
Deal found 6/11$1,602
Mon 23/1111:10 -
2 stops23h 30m
Tue 8/1207:15 -
1 stop28h 40m
Deal found 7/11$1,617
Sat 21/1110:40 -
2 stops30h 53m
Sun 6/1206:15 -
2 stops55h 15m
Deal found 7/11$1,643
Tue 24/1111:20 -
2 stops23h 12m
Sun 6/1214:30 -
2 stops20h 50m
Deal found 7/11$1,685

Find flight deals from Sydney to San Diego

Round-trip from

$1,575

One-way from

$923

Popular in

December

Cheapest in

November

Average price

$1,423
Delta
  • Delta
  • 23/11-7/12
  • 2 total stops
  • 36h 28m total
  • Sydney to San Diego
United Airlines
  • United Airlines
  • 18/11-31/12
  • 2 total stops
  • 27h 34m total
  • Sydney to San Diego
Highest demand for flights based on searches. 1% potential increase in price ($32 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($47 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 29/1

21:40-07:40

2 stops29h 00m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,042

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Thu 28/1

11:20-00:19

3 stops31h 59m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,053

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Tue 8/12

13:20-20:37

1 stop26h 17m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,055

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 30/1

21:40-07:10

1 stop28h 30m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,071

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 15/1

14:55-18:17

2 stops22h 22m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,089

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 30/1

11:20-00:19

3 stops31h 59m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,137
Fastest return journey

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 11/12

21:40-20:13

1 stop17h 33m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,410

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 11/12

21:40-07:12

2 stops28h 32m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,410

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Thu 10/12

10:40-19:06

1 stop27h 26m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,492

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 12/12

21:40-07:12

2 stops28h 32m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,557

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, November is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,423). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,986). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Airfare is typical for this route at the moment.

Sydney to San Diego flights typically cost between $1,198 and $1,698 in November.
The cheapest return price found within the last 5 days was $1,575 on Delta (23 Nov–6 Dec).

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines,United Airlines, andAir Canada from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Crew

8.5

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

  • How long is the flight from Sydney to San Diego?

    United Airlines and Delta can get you from Sydney to San Diego in just under 18h 15m. Your travel time can differ by up to 56m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Air Canada, at $1,005, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. Users have found that Air Canada is 38% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, November is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,423). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,986). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Sydney to San Diego

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,005Average$1,397FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,064Average$1,635FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$1,077Average$1,418FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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